Finding the Fourth Proportional to 167,112,491.80, 250,668,737.70 and 155,775,083.80
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Solution
The fourth proportional to 167,112,491.80, 250,668,737.70 and 155,775,083.80 is: 233,662,625.70
Step by Step Solution
- Step 1: Write the proportion equation
167,112,491.80 : 250,668,737.70 = 155,775,083.80 : x - Step 2: Convert to fraction form
167,112,491.80/250,668,737.70 = 155,775,083.80/x - Step 3: Cross multiply
167,112,491.80x = 250,668,737.70 × 155,775,083.80 - Step 4: Simplify right side
167,112,491.80x = 39,047,943,621,257,720 - Step 5: Solve for x
x = 39,047,943,621,257,720/167,112,491.80 - Step 6: Final answer
x = 233,662,625.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.